The vcap_decode_rule() never returns NULL. There is no need to check for that. This code assumes that if it did return NULL we should end abruptly and return success. It is confusing. Fix the check to just be if (IS_ERR()) instead of if (IS_ERR_OR_NULL()). Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/r/202309070831.hTvj9ekP-lkp@xxxxxxxxx/ Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- This bug is old, but it doesn't affect runtime so it should go to net-next. drivers/net/ethernet/microchip/vcap/vcap_api_debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api_debugfs.c b/drivers/net/ethernet/microchip/vcap/vcap_api_debugfs.c index c2c3397c5898..59bfbda29bb3 100644 --- a/drivers/net/ethernet/microchip/vcap/vcap_api_debugfs.c +++ b/drivers/net/ethernet/microchip/vcap/vcap_api_debugfs.c @@ -300,7 +300,7 @@ static int vcap_show_admin(struct vcap_control *vctrl, vcap_show_admin_info(vctrl, admin, out); list_for_each_entry(elem, &admin->rules, list) { vrule = vcap_decode_rule(elem); - if (IS_ERR_OR_NULL(vrule)) { + if (IS_ERR(vrule)) { ret = PTR_ERR(vrule); break; } -- 2.39.2
